Hey, i discovered it was a dns problem, my SPF record had a typing mistake. I found it out by testing my server on https://mail-tester.com and it gave me an error, so i hope it helps someone else!
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Hey, i discovered it was a dns problem, my SPF record had a typing mistake. I found it out by testing my server on https://mail-tester.com and it gave me an error, so i hope it helps someone else!